21421000 (number)
21421000 is an even 8-digits composite number following 21420999 and preceding 21421001. In scientific notation, it is written as 2.1421000 × 10^7. The sum of its digits is 10. It has a total of 7 prime factors and 64 positive divisors. There are 8280000 positive integers (up to 21421000) that are relatively prime to 21421000.
Interesting facts
- 21421000 has 64 divisors, whose sum is 51816960
- The reverse of 21421000 is 00012412
- Previous prime number is 25
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 10
- Digital Root 1
Name
Name | twenty-one million four hundred twenty-one thousand |
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Notation
Scientific notation | 2.1421000 × 10^7 |
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Engineering notation | 2.1421000 × 10^6 |
Prime Factorization of 21421000
Prime Factorization 2 × 2 × 2 × 5 × 31 × 25 × 691
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 5355250 | Product of the distinct prime numbers |
The prime factorization of 21421000 is 2 × 2 × 2 × 5 × 31 × 25 × 691. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21421000)
Multiplication
n×yn×2 | 42842000 |
---|---|
n×3 | 64263000 |
n×4 | 85684000 |
n×5 | 107105000 |
Division
n÷yn÷2 | 10710500 |
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n÷3 | 7140333.3333333 |
n÷3 | 5355250 |
n÷5 | 4284200 |
Exponentiation
nyn2 | 458859241000000 |
---|---|
n3 | 9.829223801461E+21 |
n4 | 2.105518030511E+29 |
n5 | 4.5102301731575E+36 |
Nth Root
y√n2√n | 4628.2826188555 |
---|---|
3√n | 277.72389473368 |
4√n | 68.031482556648 |
5√n | 29.25283410454 |
Divisors of 21421000
64 divisors
τ | Total Divisors | 64 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -21420999 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.015625 | Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) |
G | Geometric Mean | 1 | Returns the nth root of the product of n divisors |
H | Harmonic Mean | 64 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 21421000 can be divided by 64 positive divisors. The sum of these divisors (counting 21421000) is 1, the average is 0.015625.
Base conversion 21421000
Base | System | Value |
---|---|---|
2 | Binary | 1010001101101101111001000 |
3 | Ternary | 1111022022002101 |
4 | Quaternary | 1101231233020 |
5 | Quinary | 20440433000 |
6 | Senary | 2043043144 |
8 | Octal | 121555710 |
10 | Decimal | 21421000 |
12 | Duodecimal | 72104b4 |
16 | Hexadecimal | 146dbc8 |
20 | Vigesimal | 6dhca0 |
36 | Base36 | cr4js |
Cryptographic Hash Functions
md5 | 6b5c8568857944a5c772817c25c6f127 |
---|---|
sha1 | 6137834a0316b126afc6d95a8c699e0fe0e6944f |
sha256 | 3647b836d5894084da86ef1526e52d8d3d87eba1eb77d6abd796570fef38053f |
sha512 | 4298c02dea8a1f230034593d51e9dbde063fcbee5cea3e4df5e03326cc41fedaba623f30ea6bfba847f5313b283f9e8fe04ffed2a9f7df2a9be451988c11b950 |
ripemd-160 | 2860c5ee4e0a791afae31b8c616ea162195bfefd |
21421000 as geometric shapes
Circle
Radius = nDiameter | 42842000 |
---|---|
Circumference | 134592112.46509 |
Area | 1.4415488205574E+15 |
Sphere
Radius = nVolume | 4.1172556380213E+22 |
---|---|
Surface area | 5.7661952822296E+15 |
Circumference | 134592112.46509 |
Square
Length = nPerimeter | 85684000 |
---|---|
Area | 458859241000000 |
Diagonal | 30293868.719594 |
Cube
Length = nSurface area | 2753155446000000 |
---|---|
Volume | 9.829223801461E+21 |
Space diagonal | 37102260.348933 |
Equilateral Triangle
Length = nPerimeter | 64263000 |
---|---|
Area | 1.9869187973362E+14 |
Altitude | 18551130.174466 |
Triangular Pyramid
Length = nSurface area | 1.9869187973362E+14 |
---|---|
Volume | 1.1583851339689E+21 |
Height | 10097956.239865 |